Alert archive / Florida / Tornado Warnings in 2008

Tornado Warning 80, NWS Miami, FL

September 10, 2008Monroe County, Florida

NWS Miami, FL issued this tornado warning at Sep 10, 2008, 12:45 AM EDT for Monroe County, Florida. It was in force for 15 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Sep 10, 2008, 12:45 AM EDT (04:45 UTC)
Expired
Sep 10, 2008, 1:00 AM EDT
In force
15 min
Issued by
NWS Miami, FL
Area
Storm-based polygon

County Monroe County, FL

The radar

The Miami radar (KAMX), 86 km from the middle of the area, began a volume at 04:47 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Miami, FL (KMFL), launched 00:00Z, 4.8 hours before the alert went out and 110 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Miami, FL at 00:00Z on 2008-09-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3819 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Miami, FL at 00:00Z on 2008-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 129 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
3819 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
585 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
129 m²/s²
0-3 km storm-relative helicity
207 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS52 KMFL 100445
TORMFL
FLC087-100500-
/O.NEW.KMFL.TO.W.0080.080910T0445Z-080910T0500Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
1245 AM EDT WED SEP 10 2008

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* TORNADO WARNING FOR...
  EXTREME SOUTHWESTERN MAINLAND MONROE COUNTY IN SOUTH FLORIDA.

* UNTIL 100 AM EDT

* AT 1242 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR CAPE       
  SABLE...MOVING NORTHWEST AT 41 MPH.

* THE TORNADO WILL BE NEAR...
  MIDDLE CAPE SABLE...
  NORTHWEST CAPE SABLE...
  AND SURROUNDING CAMPSITES.

IF YOU ARE NEAR THE PATH OF A TORNADO...SEEK SHELTER IN A STURDY
BUILDING ON THE LOWEST FLOOR...AWAY FROM OUTSIDE WALLS AND WINDOWS.
GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND STAY AWAY FROM WINDOWS.

LAT...LON 2515 8113 2516 8115 2520 8115 2524 8118
      2526 8118 2526 8117 2528 8116 2512 8106
      2512 8109
TIME...MOT...LOC 0445Z 145DEG 35KT 2513 8111

$$

HANDEL

The office that day

Everything else NWS Miami, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 9, 10:14 PM EDTTornado WarningMFLCollier46 min
Sep 10, 12:34 AM EDTSpecial Marine WarningMFL56 min
Sep 10, 1:22 AM EDTSevere Thunderstorm WarningMFLCollier, Monroe38 min
Sep 10, 1:54 AM EDTSpecial Weather StatementMFLCollier, Monroe51 min
Sep 10, 3:04 AM EDTSpecial Weather StatementMFLCollier, Monroe56 min
Sep 10, 3:39 AM EDTTornado WarningMFLMonroe21 min
Sep 10, 3:56 AM EDTSpecial Weather StatementMFLCollier, Monroe64 min
Sep 10, 4:12 AM EDTAreal Flood AdvisoryMFLCollier3 hr
Sep 10, 4:34 AM EDTTornado WarningMFLCollier35 min
Sep 10, 4:59 AM EDTSpecial Weather StatementMFLCollier, Monroe76 min
Sep 10, 5:16 AM EDTTornado WarningMFLMonroe14 min
Sep 10, 5:44 AM EDTMarine Weather StatementMFL12 hr
Sep 10, 6:13 AM EDTSpecial Weather StatementMFLMonroe77 min
Sep 10, 11:24 AM EDTCoastal Flood StatementMFLCollier26 hr

Nearby

Tornado Warnings in Florida, 2008Every tornado warning in 2008Tornadoes in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.